33RL. reseres the right to change an information concerning product or pricing without notice. For example, the maximum rating of a VAV box for a general office with a desired NC level of 30 should be no more than NC 35. 86) galvanized steel casing, mechanically sealed, low leakage construction. density Steri-Liner insulation. AT37S - 3’ Long • for Models 37S and 37SST. Download BIM/Revit drawings or speak to an expert. Nailor VAV Disconnect Switch. H. (Air Control & Air Distribution products, VAV Terminal Units, Green Products, Electric Duct Heaters), Engineered. Description. Carnes variable air volume terminal units accurately regulate airflow for maximum occupant comfort. Steven T. Continue Sign In Go BackThis design allows the primary airflow to supply the cooling demand, similar to single duct terminal units, leaving the recirculating air section to provide the heating air volume. NHSO-5013-12. Variable volume with or without mixing or constant volume applications. If one VAV box cannot meet noise criteria, consider using two. VAV BOXES WITH HOT WATER REHEAT: PROVIDE THE FOLLOWING FOR ALL AIR TERMINAL UNIT BOXES. 11 - 19 - 12 VAV. • Options include hot water and electric coils for reheat. Excess air is diverted through a bypass opening and into the system return. VAV box reheat call appropriate for conditions and corresponding chiller operating point and reset status. From standard grilles and registers, to its architectural line of Formations® linear slot diffusers, along with a newly released series of displacement diffusers, METALAIRE has the air devices to meet every need. The purpose of this equipment O&M Best Practice is to. 44 3/8 in. The Titus ESV is unique as it incorporates many design features that increase performance, decrease service and. However, many may not know that the company had humble beginnings. 1. fan boxes at the perimeter, and single damper VAV units were the rule. Older posts. Nailor Industries Inc. The VAV box will look something like this. At the minimum setting, the damper in the existing terminal begins to modulate, and mixing occurs. on a rise in room temperature, modulate the air damper. The simplified version of this decision is Series Units for all zones or Parallel units on the exterior and single-duct for interior zones. The installing electrician should rotate the incoming electric service by phase to help balance the building electric load. Nailor 3000 Series Single Duct Terminal units are, simply put, versatile. •Low leakage opposed blade dampers with blade and jamb seals (single bladeSCR power controllers are designed for an accurate and cost effective way to modulate electric heat. The fan runs in all modes during all occupied hours. 8 VAV-PRC012AD-EN 1 RuggedAirValve–Traneairvalvesareheavygagesteelwithacontinuouslyweldedseamtolimitinletdeformation. Plano Rd. These units are designed for energy conservation and efficiency, with features such as corrosion resistant steel, tight close-off, multi-point averaging and diamond flow sensor. Fiberglass with a reinforced aluminum FSK facing. This situation is exacerbated in laboratories due to the wide range in internal loads (Figure 1). The model you select might. casing on larger sizes for added durability. Nailor Ceiling Radiation Dampers have been tested to UL 555C for use with air outlets in lay-in ceiling applications and UL 263 for Wood Truss ceiling assembly applications. Tested and approved to the following standards: ANSI/UL 1996, 1 st. reserves the right to change any information concerning product or pricing without notice. 江森自控Titus®VAV变风量末端. reserves the. Oct 2013 - Present 10 years 2 months. 5. 2 No. While this maintains air turnovers and minimum outdoor air ventilation rates, the zone may be overcooled and reheat may be required, resulting in simultaneous. Static pressure in supply duct and control point for system VFD fan to assure modulation with changing VAV box flow rates. This control sequence is explained in detail in a previous article located here. • Digital VAV Terminal Units Catalog • September 23, 2021 (Supersedes: April 8, 2021) Author: Nailor Subject: Terminal Units Catalog Created Date:VariTrane® Single Duct Terminal Units. reserves the right to change any information concerning product or specification without notice or obligation. The sale of certain items may be geographically restricted. Meets the requirements of NFPA 90A, UL 181 and ASTM C655. METALAIRE Air Terminal Units or VAV boxes, including single duct, dual duct, bypass, and both constant-volume and variable-volume fan powered boxes. Price eliminates the guess work by providing an optimized, fully tested and AHRI certified assembly. November 12, 2013 Agenda VAV Box Control Sequences AHU Control Sequences • Zone Groups • DP setpoint reset • SAT setpoint reset Outdoor Air Control • Minimum outdoor air control • Demand Controlled Ventilation AutomaticFault. When VAV box senses that the space is unoccupied, minimum airflow reduces to 0 CFM and the VAV box modulates to maintain temperature range of 70°F - 74°F. 4 45 400 5 60 500 6 65 550 7 95 800 8 125 1100 9 160 1400 10 210 1800 12 300 2600 14 430 3700 16 575 5000 24 x 16 1185 8400 Notes: 1. 02" w. Constructed as two single ducts, the 3210 consists of a dedicated hot and cold deck. A common problem with standard pivoted single blade damper designs is objectionable noise and loss of modulation due to pulsating and/or a snap-closing action of the valve. [1] [2] The advantages of VAV systems over constant-volume systems include. 86) zinc coated steel casing, mechanically sealed, low leakage construction. 63) corrosion-resistant steelC. Features. VariTrane® Fan-Powered Terminal Units. (0. Since most repairs involve replacing the actuator only, the VAV-4995 is supplied without the SSE sensor, saving you the cost of an unnecessary part. All edges are encapsulated so that no fiberglass is. UNITED STATES | CANADA | INTERNATIONAL. (1. 3 cfm Max. • VAV section is lined with 13/16" (21), thick, 4 lb. Contact Hahn-Mason Air Systems today at (704)-523-5000. Usually, inlet diameter determines VAV-box size. Series boxes perform better overall in providing comfort to occupants. Planned for cooling only, air with reheat, heating no or heat/cool changeover uses. Model Series 30X and 30HQX. Nailor industries. When compared to a single duct terminal unit, the fan-powered versions have a fan that enables the induction of plenum air into the airflow. It contains information on Nailor products and solutions as well as extensive Engineering and Application sections for each product category. 01 0. Nailor Industries Inc. PEFM 4FSJFT 4 #BTJD 6OJU Quiet, Series Flow (Constant Volume). A3400, A34RW E5 • Analog Electronic • Controls• VAV • Automatic Heating/Cooling Changeover w/ Auxiliary Heat (Perimeter Heating or Hot Water Heat). Designed for both stand-alone applications and for integration with BACnet building automation systems, EZvav are precise P+I pressure independent VAV controllers Selection of VAV terminals with a close coupled, independent silencer is a complex process with unpredictable results. DATE B SERIES SUPERSEDES DRAWING NO. Archives. V2080 - Controls Enclosure. Series units contain a fan that is operational at the same time as the air handling unit. It is controlled with a Variable Frequency Drive (VFD) using a trim and response control sequence. Model 36VR Contact your Nailor Sales Rep. ACC. METALAIRE is the flagship brand of Metal Industries Inc. The engineer must also consider how the terminal units are going to be controlled. 4 - 17 - 20 VAV-FF TERMINAL UNITS LINER OPTIONS SOUND POWER LEVEL CORRECTION FACTORS TYPE: FIBER-FREE INSULATION CHARACTERISTICS Material: Engineered Polymer Foam Insulation (EPFI). VariTrane fan-powered terminal units reduce energy use and operating cost with Electronically Commutated Motor (ECM) and modulating airflow. (1. Each VAV unit and accessory is shipped with an identification label showing the Carnes order number, unit item number from the order, unit model number, maximum and minimum CFM settings on terminal units with pressure independent control options, and unit tagging (or mark). Nailor Industries Inc. Executive Summary A Variable Air Volume (VAV) box with a lower minimum flow setpoint improves energy savings. reserves the right to change any information concerning product or pricing without notice. Controllers shall include fully adjustable analog outputs and digital outputs as required utilizing a proportional plus integral control loop to control damper, electric heat and hot water coils for the purpose of. 45° rotation, CW to close. The engineer must also consider how the terminal units are going to be. The series fan units are specifically designed for quiet operation and they also offer improved. 7640 Commerce Way: Eden Prairie. Engineered Polymer Foam Insulation (EPFI), 1/2-inch & 1-inch thickness. Description. 0. Otherwise, replace the terminal with a lower pressure drop terminal and then reduce the inlet pressure. 5 million cycles. Meets the requirements of NFPA 90A, UL 181 and ASTM C655. The NFD-VAV core design produces a low velocity khelical”swirl” discharge air pattern. Minimum airflow limits are based upon . Daikin VAV Controller: • VAV Cooling Only (Application 6630) • VAV Cooling or Heating (Application 6631) • VAV with Electric Reheat or Baseboard Radiation (Application 6632) • VAV with Hot Water Reheat (Application 6633) FIAT Nailor has independently tested and cataloged their dual duct sound data based upon the use of Steri-Liner (high density foil back insulation) rather than standard dual density fiberglass insulation as used in the above terminal units. Finally, as VAV fan powered terminal units are in common use, both installation and maintenance will be familiar to all concerned. Daikin VAV Controller is capable of controlling the following VAV pressure-independent zone applications. 6/20 IOM-EHVAV (Supercedes 4/02) Page 1 of 4. For a given unit size, the minimum, auxiliary minimum (where applicable) and the maximum flow setting must be within the range limits to ensure pressure independent operation, accuracy and repeatability. 16 ga. Mason Company, Inc. 3 - 10 - 23 UNI2-VAV VARIABLE AIR VOLUME (VAV) DIFFUSER SQUARE PLAQUE • CORNER POSTS ROUND NECK • STEEL MODEL: UNI2-VAV Nailor Industries Inc. Model Series 3600. 96 each. . g. occupied mode shall be determined by [schedule or local occupancy sensor]. If the VAV damper is not a 90 degree damper, set the rotation limits to 45 or 60 degrees before mounting the controller. This includes units with electric coilsWe have 1 Nailor D31RW manual available for free PDF download: Installation And Operation Manual . Sub-Category: VAV Boxes . 1 ½ hour or 3 hour rated models available. A. Inc VAV Terminals, TVS Series Parallel Fan-Powered, Standard Height, 50/60 Hz . Options and Accessories: Steri-liner. VAV-PRC012AD-EN 7 FeaturesandBenefits VariTrane Parallelfan-poweredunitsofferenergysavingswithintermittentfancontrol. . reserves the right to change any information concerning product or pricing without notice. Phone: 803. All Nailor Fire/Smoke Dampers are tested and labeled in accordance with UL 555 and UL 555S. Nailor offers a range of terminal units for different HVAC system integration needs, such as cooling, heating, reheat, heat/cool changeover and DOAS. . • Digital VAV Terminal Units Catalog • July 24, 2018 (Supersedes: July 10, 2018 ) Author: Nailor Subject: Terminal Units CatalogTECH TIPS |. 1 1. IMPORTANT:Electric re-heat units ordered with SCR or SSR, route field wiring near bottom of control box. Fan powered variable air volume terminals are a popular choice for heating and cooling. VariTrane™ Fan-Powered Series Terminal. Bacnet Vav Manual. 2330 Main Street Columbia, SC 29201. com 2010 | Fan-Powered Terminal Units | 1 There have been several different research projects that have investigated the efficiency of series and parallel fan powered terminal unitsfan boxes at the perimeter, and single damper VAV units were the rule. reserves the right to change any information concerning product or pricing without notice. q Removable insert type Flow Sensor. Nailor 37S and 37SST Low Profile Terminal Units are designed for shallow ceiling plenum applications and therefore limited to 11" (279) in height. Nailor Industries, Inc. manufactures Air Control & Distribution products, VAV Terminal Units, Green Building products, Fan Coil Units, Electric Duct Heaters, Sound Attenuators, Air. Maximum height of 10. 9 - 28 - 15 NFD 8 - 20 - 14 NFD-VAV-2 VAV FLOOR "SWIRL" DIFFUSER WITH ACTUATOR UNDERFLOOR AIR DISTRIBUTION SYSTEMS • VAV COOLING ONLY• EXTENDED DEPTH FLOW REGULATOR/ DUST BASKET OPTION MODEL: NFD-VAV Nailor Industries Inc. Com. Multiple Download been Selected. We’re here to help you. The installing electrician should rotate the incoming electric service by phase to help balance the building electric load. In many VAV systems, the exterior zones will utilize fan-powered terminal units. Be sure to check out our full catalog of VAV boxes and accessories. 5" w. All terminals with. A common problem with standard pivoted single blade damper designs is objectionable noise and loss of modulation due to pulsating and/or a snap-closing action of the valve. (Houston). •16 ga. Complete Air Control And Distribution Solutions: Grilles Registers Diffusers VAV Terminal Units Fire Dampers Smoke Dampers Control Dampers Radiation Dampers LouversSINGLE DUCT VAV TERMINAL UNITS PRESSURE INDEPENDENT MODEL: 30RW 8EL Nailor Industries Inc. Dual Duct units have had a renewed interest of late due to the concern for IAQ requirements and how best to meet a buildings IAQ requirements. read more. The foil face provides a cleanable surface, making it suitable for many hospital and IAQ applications. A common problem with standard pivoted single blade damper designs is objectionable noise and loss of modulation due to pulsating and/or a snap-closing action of the valve. Northeast Ohio Sales rep for : CARNES- Fans, humidifiers, ERV. Architectural Heaters; Electric Duct Heaters;. The diagram depicts a damper that is used to modulate airflow to the zone and a control valve. reserves the right to change any information concerning product or pricing without notice. Nailor Industries Inc. Setting the Rotation Limits Nailor EZvav controllers are manufactured for a damper that rotates 90 degrees from open to close. 11 - 2 - 22 3000 3 - 13 - 18 D30RW-1 Page 2 of 2. VAV SPECIFICA TIONS 031600. The engineer must also consider how the terminal units are going to be. They deliver both the unobtrusive appearance required for architectural excellence and the 360° air pattern at minimum NC levels required for high performance requirements. SCHEDULE TPE: PROECT: ENINEER: CONTRACTOR: FAN POWERED TERMINAL UNIT WITH EPIC ECM MOTOR • HEAT ACCESSORIES SERIES FLOW • CONSTANT OR VARIABLE VOLUME MODELS: 35S, 35SW AND 35SE • UNIT. AT37SE - 3’ Long • for Models 37SE and 37SEST. This is energy efficient since it moves heat from the core of the building to the perimeter zones. com. Pattern Diffusers. Post Likes. Nailor 2 Row Hot Water Coils 12 Inch. NECC has arranged to have the manufacturer build a special universal replacement kit to repl ace most of the models already out in the field. Bug fixes to existing sections. occupied mode shall be determined by [schedule or local occupancy sensor]. VAV Box Location - Since VAV boxes must be located in the branch ductwork, they are often placed above the ceiling. Eliminating the low-voltage wire between the zone sensor and the terminal unit controller, and between the unit controllers and theVAV system max-min air flow. (0. 7 Appendix B: VAV Controller Flow Calculation 7 Nailor Industries, Inc. 3 - 30 - 17 3000 10 - 28 - 16 D3001-2 Page 2 of 2. Các cảm biến nhiệt độ phòng. Nailor manufactures its own electric heating coils. 2 - 6 - 23 3100 5 - 7 - 21 D31RW Page 2 of 2. 2038. reserves the right to change any information concerning product or pricing without notice. Download Table | K-factors for VAV airflow calculation. Specialists in. , Unit #2, Vaughan, ON L4K 2W4 The warehouse is filled with hundreds of products made by Nailor Industries. g. The real question is why use a series fan powered unit on a medium pressure ductwork. From standard grilles and registers, to its architectural line of Formations® linear slot diffusers, along with a newly released series of displacement diffusers, METALAIRE has the air devices to meet every need. SST models are designed for the most demanding applications utilizing "Stealth" technology with low sound levels that lead the industry. Nailor Industries Inc. The air handling unit shown below is in a mechanical room. He offered a “Comparison of Room Noise Control For Series And Parallel VAV Units At Different Operating Conditions. Add to Compare. Hanger brackets. A DATE B SERIES SUPERSEDES DRAWING NO. 5″–12″. The air handler will provide 55 F degree (13 Celsius) supply air to the VAV box. OPERATION MANUAL EPIC FAN CARD VOLUME CONTROLLER WITH (GENTEQ EON) ECM MOTOR 9/19 IOM-EPIC/ECM-EONK Page 1 of 2 REFER TO FIGURES 1, 2 & 3 AND USE THESE INSTRUCTIONS IF YOUR. 6200L-09x09 Aluminum Pattern Diffuser 12x12 Face. Retrofit Terminal Units. Nailor 6200, 6400, and 6500 Series Pattern Diffusers handle a large volume air for a given pressure drop and noise level. 3 - 30 - 22 VAV-FDD TERMINAL UNITS LINER OPTIONS TYPE: FIBERGLASS DUAL DENSITY INSULATIONOverview. Controllers shall include fully adjustable analog outputs and digital outputs as required utilizing a proportional plus integral control loop to control damper, electric heat and hot water coils for the purpose of. Boiler System. Heating and cooling equipment fans, heating and . manufactures Air Control & Distribution products, VAV Terminal Units, Green Building products, Fan Coil Units, Electric Duct Heaters, Sound Attenuators, Air Handling Units, and Filter Housings. Unlike most other air distribution systems, VAV systems use flow. Their primary function is to regulate airflow to a zone, in response to zone temperature requirements. downstream ductwork and diffusers [typically 0. PERFORMANCE DATA SDV – Recommended Air Volume Ranges Digital Controls Unit Size cfm Min. q Nailor EZvav See separate submittal. VAV TERMINAL UNITS Nailor Industries Inc. Analog (by Nailor). Controller (ATEC) VAV with Reheat (GLB) with Reheat/Fan/Spare DO . Air Handling Unit. If you need help selecting the best unit for your application, call us at 800-227-9800. Nailor’s Floor "Swirl" Diffusers are designed for use in raised access floor air distribution systems, where the floor cavity is used as a pressurized supply air plenum. The sound from the fan is background noise and generally not noticed. The Diamond sensor is standard on all Nailor VAV terminal units that are equipped with pressure independent controls. DANGER represents the most severe hazard alert. See separate submittal. Plenum Box: With and Without Acoustic lining the plenum Boxes can be supplied as per the requirement of the client. During heating, the supplied conditioned air can be reduced to the minimum ventilation rate and the heating. To install the SRDV and convert the system to variable air volume, simply cut a rectangular hole in the existing ductwork and slide in the SRDV retrofit terminal. • Pneumatic or analog electronic control. Nailor's 3400 Series Mark II bypass terminal units utilize a unique cylindrical flow diverter valve for superior control and performance. Nailor 37S and 37SST Low Profile Terminal Units are designed for shallow ceiling plenum applications and therefore limited to 11" (279) in height. AT37N - 3’ Long. Standard Features: 22 ga. This is to allow CO2 demand controlled ventilation. occupied mode . CTE-5100s are provided with limited and unlimited outputs. D3001 - Single Duct Box • DDC Controls. A mechanical engineer must consider several variables and equipment types when designing a VAV system. downstream ductwork and diffusers [typically 0. NailorNailorA mechanical engineer must consider several variables and equipment types when designing a VAV system. 155-M1986. They offer a range of VAV boxes for different applications and zones, such as single duct, dual duct, fan. exterior/interior of the control enclosure box. Heating coils shall have a terminal box and cover, with quiet type built-in magnetic step controlled contactors for each circuit, branch circuit fusing for each branch. In a standard environment the 35SST could have a similar NC as the 35SXC. Dimensions are in inches (mm). A. If you would like to contact the factory, see below for the general contact numbers. No heater should be applied to exceed this temperature. The primary air was stillTrane Heating & Air ConditioningNailor ceiling diffusers are some of the most quiet and versatile available on the market today, combining outstanding performance with on-the-job flexibility. Hahn Mason Air Systems is a manufacturers representative for Nailor, a leading VAV box manufacturer. , Unit #2, Vaughan, ON L4K 2W4 The warehouse is filled with hundreds of products made by Nailor Industries. Next Product. NOTE: Product pictures shown represent the general type of device listed. Different sizes of HVAC diffusers can be used for the same airflow depending on the diffuser type. 5 - 12 - 22 VAV. Critical Room. Nailor Industries Inc. pressure to overcome the losses across the damper, the . Nailor 3000 and 3100 Series Terminal Units are among the most versatile VAV boxes on the market, providing easy HVAC system integration with diverse control packages. The VAV box is connected via a cable to a thermostat which is located within the room, or the zone. 20 GA. reserves the right to change any information concerning product or pricing without notice. •22 ga. Nailor Industries Inc. Page 2 of 2. Bottom access door. Help to control comfort,. reserves the right to change any information concerning product or pricing without notice. Page 1 of 2. The company commenced operations at a small facility in Toronto, Canada manufacturing a single air control device. SINGLE DUCT TERMINAL UNIT ACCESSORIES DIGITAL OR ANALOG CONTROLS MODELS: D3001 AND. Titus offers a wide variety of liners suitable to meet any application requirement. Parallel units are generally less energy intensive. See examples below. This includes the load on the space, the static pressure in the ductwork, the types of terminal units, and the occupancies in the space. The following graph illustrates the difference between the 35SST (“Stealth”) and the 35SXC (“Stealth XC”) in exposed ceiling mockup tests. Literature. Document No. Carnes variable air volume terminal units accurately regulate airflow for maximum occupant comfort. DATE B SERIES SUPERSEDES DRAWING NO. A non-programmable thermostat is required on master units and controls up to 20 different diffusers. Whether the requirement calls for a constant or variable air volume (VAV) single duct terminal, an electric or hot water reheat option or requires basic attenuation, the 3000 Series terminal units deliver. Equipment Reminder. AT37SW - 3’ Long • for Models 37SW and 37SWST. Nailor Industries Inc. The fan is. A further temperature rise increasesThe Chilled Box for DOAS Systems 1Page: of 5 Revised 9/05/2012 Krueger Corporate Headquarters 1401 N. The 35S Series provides many standard design features and superior sound performance when compared with other basic model designs. They have been specifically designed and tested for use with variable air volume single duct terminal units. Learn about the features, benefits and specifications of each type of terminal unit, such as Single Duct, Dual Duct, Fan Powered, Fan Powered Chilled Water and Retrofit. The 35S offers a compact and economical design well suited to the majority of applications. Part 1: Laboratory test setup and variable air. T FOR VALVING SEE AIR FLOW VAV BOX DDC CONTROLLER DUCT MOUNTED SA TEMPERATURE SENSOR LOW 120V WIRING, FROM DEDICATED CIRCUIT IN POWER. (1. Nailor model 3210 is an economical dual duct terminal ideal for non-mixing variable volume applications. Nailor 3400 Series Bypass Terminal Units are designed to provide. As the cooling load decreases the box closes off. Contact your local Nailor Representative for more information on how to order the complete Nailor catalog library. q Dust tight enclosure seal. The 35SST "Stealth™" Series has been especially designed for the most demanding applications where premium quality design. SINGLE DUCT TERMINAL UNIT WITH HOT WATER REHEAT • ACCESSORIES DIGITAL CONTROLS • PRESSURE. (1. The resulting unit, including the heater and the VAV damper, shall be no longer than 37" (940) in length. NECC brings a diverse offering of products and solutions to help our customers install and maintain their VAV systems at peak performance levels. reseres the right to change an information concerning product or pricing without notice. sat. Nailor manufactures its own electric heating coils. reserves the right to change any information concerning product or pricing without notice. Request a Quote. 3 - 30 - 17 3000 3 - 21 - 13 30AT. Nailor 3000 and 3100 Series Single Duct VAV Terminal Units feature a compact and versatile design that results in a system component which has minimal pressure drop. TM UT TALLAT TAT DT 2 TM UT TALLAT TAT DT Manual priceindustriesco PRODUCT OVERVIEW Fan Powered Constant Volume Units – FDC-1-X, FDC-G2 This unit may be flipped 180°, and is provided with top and bottom access panels by default. SINGLE DUCT TERMINAL UNIT WITH HOT WATER REHEAT • ACCESSORIES DIGITAL CONTROLS • PRESSURE INDEPENDENT The 35S Series provides many standard design features and superior sound performance when compared with other basic model designs. 86) zinc coated steel casing, mechanically sealed, low leakage construction. Phone: 803. When compared to a single duct terminal unit, the fan-powered versions have a fan that enables the induction of plenum air into the airflow. and our comprehensive line of Air Distribution, Air Control and Air Terminal Unit products. Title: Nailor Industries Inc. Nailor Curtain Type Fire Dampers Type: Type A, B and C – Both Static and Dynamic Certification: UL . DATE B SERIES SUPERSEDES DRAWING NO. from publication: Stability and accuracy of variable air volume box control at low flows. density Steri-Liner insulation. VAV Controls & Boxes. Johnson Controls Parallel Fan Powered Variable Air Volume terminals are available from 100 to 4100 cfm, providing flexibility in performance ranges to meet a multitude of system design requirements. Useful in a variety of commercial and educational. Gus Faris is an ASHRAE associate with Nailor Industries Inc. • Digital VAV Terminal Units Catalog • November 1, 2022 (Supersedes: October 4, 2022 ). Perfect for retrofits or congested spaces. 978. 1965 – The Greenville, SC Office Opened. Two or more VAV boxes can be controlled with one temperature sensor. 50MB. FAN POWERED TERMINAL UNIT WITH ECM MOTOR PARALLEL FLOW • VARIABLE VOLUME HEAT. The following graph illustrates the difference between the 35SST (“Stealth”) and the 35SXC (“Stealth XC”) in exposed ceiling mockup tests. Pattern Diffusers. The 33SZ Series Fan Powered Chilled Water Terminals enhance Nailor’s already efficient and flexible Series Fan Terminal Unit product line.